Head-to-head · Nemotron 3

Nemotron 3 Nano 30B-A3B vs Nemotron Cascade 2 30B-A3B

Nemotron 3 Nano 30B-A3B needs ~25.1 GB at Q4_K_M; Nemotron Cascade 2 30B-A3B needs ~25.1 GB. That ~0 GB gap decides which hardware runs each; they differ on 0 of the 14 devices below.

Spec Nemotron 3 Nano 30B-A3B Nemotron Cascade 2 30B-A3B

Parameters30B MoE30B MoE

Memory at Q4_K_M~25.1 GB~25.1 GB

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Which devices run each

Device Nemotron 3 Nano 30B-A3B Nemotron Cascade 2 30B-A3B

A representative spread across the memory range. Tap a verdict for the full breakdown.

Size at each quantization

Quant Nemotron 3 Nano 30B-A3B Nemotron Cascade 2 30B-A3B

Q2_K 12.6 GB* 12.6 GB*

Q3_K_M 14.7 GB* 14.7 GB*

Q4_K_M 22.96 GB 23.03 GB

Q5_K_M 21.4 GB* 21.4 GB*

Q6_K 24.6 GB* 24.6 GB*

Q8_0 31.28 GB 31.28 GB

FP16 58.84 GB 60 GB*

* derived from bits-per-weight; unstarred sizes are measured GGUF files.

Bottom line

The larger Nemotron Cascade 2 30B-A3B needs ~25.1 GB; Nemotron 3 Nano 30B-A3B runs on lighter hardware at ~25.1 GB with more headroom and faster responses. Check each against your exact device: what runs Nemotron 3 Nano 30B-A3B · what runs Nemotron Cascade 2 30B-A3B.

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FAQ

What is the difference in memory between Nemotron 3 Nano 30B-A3B and Nemotron Cascade 2 30B-A3B?

At Q4_K_M, Nemotron 3 Nano 30B-A3B needs about 25.1 GB and Nemotron Cascade 2 30B-A3B needs about 25.1 GB, a difference of ~0 GB.

Should I run Nemotron 3 Nano 30B-A3B or Nemotron Cascade 2 30B-A3B?

Run Nemotron Cascade 2 30B-A3B if your hardware has the ~25.1 GB it needs and you want maximum quality; run Nemotron 3 Nano 30B-A3B (~25.1 GB) for lighter hardware, faster responses, and more memory headroom.

Full breakdowns: Nemotron 3 Nano 30B-A3B · Nemotron Cascade 2 30B-A3B · all models × devices.

Sources

Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.